Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
7,916
Cambridge University Press
7,838
Directory of Open Access Journals: DOAJ Articles
4,385
Unknown
2,614
Springer Nature (via Crossref)
2,168
DataCite
1,823
ScienceDirect (Elsevier - via Crossref)
1,077
Oxford University Press (via Crossref)
1,076
eCite UTAS (University of Tasmania)
751
The Royal Society: Figshare
640
University of California: eScholarship
602
Lund University Publications (LUP)
448
Wiley Online Library (via Crossref)
435
Frontiers: Figshare
390
Informa (via Crossref)
370
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
349
Oxford University Press
346
Swedish University of Agricultural Sciences (SLU): Epsilon Open Archive
338
International Association of Aquatic and Marine Science Libraries and Information Centers (IAMSLIC): Aquatic Commons
298
Umeå University: Publications (DiVA)
288
DRO - Deakin Research Online
265
ScienceDirect (Elsevier)
261
Wiley Online Library
261
Universidad de Salamanca: Gredos (Gestión del Repositorio Documental de la Universidad de Salamanca)
224
JSTOR (via Crossref)
222
De Gruyter (via Crossref)
196
Defense Technical Information Center: DTIC Technical Reports database
172
LeibnizOpen (The Leibniz Association)
171
SAGE Publications (via Crossref)
162
Canadian Science Publishing (via Crossref)
160
PubMed Central (PMC)
151
University of Alaska: ScholarWorks@UA
132
Sciendo (de Gruyter - via CrossRef)
130
KovsieScholar Repository (University of the Free State - UFS UV)
127
Arctic Data Center (via DataONE)
121
The University of Queensland: UQ eSpace
118
York University, Toronto: YorkSpace
101
Uppsala University: Publications (DiVA)
90
SAGE Publications
89
Brill (via Crossref)
78
Purdue University: e-Pubs
77
Dryad Digital Repository (Duke University)
71
University of the Highlands and Islands: Research Database of UHI
71
Frontiers (Publisher)
69
ASM Journals (American Society for Microbiology - via Crossref)
68
Utrecht University Repository
63
Smithsonian Institution: Figshare
61
Informa
60
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
60
Cambridge University Press (via Crossref)
56
more ...